Answer:
Step-by-step explanation:
x(x² + 2x + 4)-2((x² + 2x + 4)
x³+2x²+4x -2x²-4x-8
x³-8
Answer:
PQ = 16
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos60° =
, then
cos60° =
=
=
=
( cross- multiply )
PQ = 8 × 2 = 16
Answer:
Costa Rica
Step-by-step explanation:
A crow bar is a bar that help you lift thing up